Artigo em revista científica Q2
Biobjective optimization model for maintenance and renewal decisions related to rail track geometry
António Andrade (Andrade, A. R.); Paulo Fonseca Teixeira (Teixeira, P. F.);
Título Revista
Transportation Research Record
Ano (publicação definitiva)
2011
Língua
Inglês
País
Estados Unidos da América
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Abstract/Resumo
This study developed a biobjective optimization model for planning maintenance and renewal actions related to track geometry in a railway network. The problem was modeled as a biobjective integer optimization problem from the perspective of the infrastructure manager. Two objective functions were minimized: (a) the total costs of planned maintenance and renewal actions and (b) the total number of train delays caused by speed restrictions. A small example for a simple network was analyzed in which the optimal Pareto frontier was found through a simulated annealing technique.
Agradecimentos/Acknowledgements
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Palavras-chave
  • Engenharia Civil - Engenharia e Tecnologia